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Finding the Fourth Proportional to 92,843.88, 128,126.10 and 50,402.41

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Solution

The fourth proportional to 92,843.88, 128,126.10 and 50,402.41 is: 69,556.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,843.88 : 128,126.10 = 50,402.41 : x
  2. Step 2: Convert to fraction form
    92,843.88/128,126.10 = 50,402.41/x
  3. Step 3: Cross multiply
    92,843.88x = 128,126.10 × 50,402.41
  4. Step 4: Simplify right side
    92,843.88x = 6,457,864,223.90
  5. Step 5: Solve for x
    x = 6,457,864,223.90/92,843.88
  6. Step 6: Final answer
    x = 69,556.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.